MCP server directory
59888 public MCP servers from the official MCP Registry (26001 from verified domains, 33887 community). Search, filter, copy a setup snippet. Nothing here is installed by cosmic-mcp.
Community listing. Not installed or verified by cosmic-mcp. Check the source before you run anything.
Showing 181 to 210 of 1204
-
Couryo
com.couryo/mcp
Transactional email API: send, read delivery timelines, explain bounces, manage domains (OAuth).
-
Couryo free email tools
com.couryo/tools
Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.
-
CryptoAgentMail
io.github.influqa/crypto-agent-mail
Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.
-
Cubli
io.cubli.mcp/cubli
Host websites, apps, databases, domains and mail at Cubli (EU) from your AI tool.
-
Custodo
ai.custodo/custodo
Documents, mail, tasks, CRM and expenses of Italian businesses, from the Custodo archive.
-
Customer Retention LTV
io.github.atul0016/customer-retention-ltv
Customer LTV, churn risk, repurchase, lifecycle email, and winback intelligence.
-
Customer.io MCP by usefulapi
io.usefulapi/customerio
Query people, segments, campaigns, and message deliveries; send transactional email or broadcasts.
-
CyberSPF
com.cyberspf/mcp
Assess a domain, IP or ASN: mail and DNS security, certificates, routing and a report card.
-
DMARC Shark — Email DNS Checker
com.dmarcshark/email-dns-checker
Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.
-
DNS Lookup — Bulk SPF, DKIM, DMARC & Mail Policy Findings
io.github.kriton-dev/dns-and-email-auth
Check DNS records and email authentication (SPF, DKIM, DMARC) for domains, as findings by severity
-
DNS MCP Server
io.github.mclose/dns-mcp
Real-time DNS security analysis — DNSSEC, email auth, and RDAP. Built for SOC investigations.
-
DakNode
io.github.Subodh103/daknode
Email and calendar API tools for agents: inboxes, conversations, availability and reliable booking.
-
DashaMail
ru.dashamail/mcp
Email marketing for Russian businesses: lists, campaigns, reports, transactional email.
-
DayOneLead
com.dayonelead/dayonelead
Find newly registered businesses, manage prospects, and run approval-gated email outreach.
-
Dead Simple Email
email.deadsimple/dead-simple-email
Give an agent its own inbox: send, receive, and pull signup codes from real email.
-
DeepSearch
app.deepsearch/deepsearch
Research a person's public footprint from a name, phone, email, or username. Sourced.
-
DelegAIze
io.github.toasternet/delegaize
AI agents for CRM, mail, calendar, ERP and accounting - you approve. EU-hosted, OAuth.
-
Deskhand
com.grain64.deskhand/deskhand
Deskhand CRM for AI agents: key per agent, undo a run, email drafts. Start with one POST.
-
DevInbox
io.devinbox/devinbox
Real email inboxes for AI agents: create inboxes, catch verification codes, extract OTPs, reply.
-
Dibs
io.github.Agenxy/dibs
Tells an AI agent when another is already doing its work. Board, typed mail, directory claims.
-
Digital Business Portal
com.digitalbusinessportal/contractor-tools
Read-only: contractor licences CA/TX/FL/WA, email and phone checks, web reader, CA repair dispatch.
-
Dilohost
es.dilohost/dilohost
Hosting run by your AI agent: publish websites, apps, databases, domains and email from chat.
-
DirectIQ
com.directiq.mcp/directiq
Manage DirectIQ contacts, lists and tags, see campaign results, and send transactional email.
-
DirectMailAmerica — Full
com.directmailamerica/mcp
Mail approved U.S. letters, Certified Mail and postcards; cover sheets and email-to-mail automation.
-
Disban
io.disban/disban
Check if a signup email is disposable, free, an alias, testing, parked or unknown, with evidence.
-
Disposable Email Checker
dev.workers.ara-v1.disposable-email-mcp/disposable-email-mcp
Checks if an email/domain is disposable (temp-mail). x402-metered per call.
-
DiviMail
tech.divindi/divimail
Give your AI agent its own email address: send, receive and read email. $0.01 USDC per send.
-
DnsGuard
dev.workers.mike-tusa.dnsguard/dnsguard
Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.
-
DocDigest
io.github.Evozim/docdigest
Corporate email and chat thread summarization parser.
-
DocVerdict
io.github.rogerberent-netizen/docverdict
PDF, photo, email, and file comparison evidence checks with plain-language reports.
Source: the official MCP Registry (registry.modelcontextprotocol.io), refreshed daily, plus public GitHub data. "Verified domain" means the publisher proved the namespace's domain to the registry; it is not a review. Machine-readable: /v1/directory/servers.